those criteria have served us well. particularly we're looking backward to recordings that date to the last 25 years and the late 19th century. there's been a lot of amnesia has occurred from one generation to the next over the last 100 years about what our recording history is and what should be saved. find those recordings and bring them to the public attention. >> i would imagine some recordings capture the spirit of a certain point in time right? >> they do. they are a cultural reference point that go beyond in many ways the reason they were created in the first place. musical entertainment, diversion or dance music or radio broadcast. this is not just about recorded music or entertainment. about the word recordings. radio history and vast amounts have been lost or thrown away or allowed to deteriorate. >> is it interesting how music is so much a part of our lives with regard to our history? you hear a song, you might be reminded of your parents, a particular moment in time, your wedding. >> i think all those record